Ray equation is derived from Fermat's principle in variation form.

本文由费马原理的变分形式,导出光线微分方程.

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Shakespeare's principle characters are created in typical real situation.

莎士比亚的主要人物是塑造于典型的真实环境之中的.

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Third, opening of administration's principle, characters, contents, and patterns "

三是关于行政公开的原则 、 特点 、 内容和方式.

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The algorithm's principle is simple and it is easy to realize.

该算法原理简单,实现容易.

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Fluid Mechanics - Pascal's Principle - Hydrostatics - Atmospheric Pressure - Over Pressure in Lungs and Tires.

流体力学 - 帕斯卡原理 - 流体静力学 - 大气压强 - 肺部与轮胎过压.

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Lens equation is derived by using Fermat's principle. "

用费马原理推导了透镜的 物像 公式.

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This paper introduces the fan's principle and ways saving electricity by governing speed.

介绍通风机通过调节速度节省电能的原理和方法.

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This paper introduces the Oil Air lubrication system's principle and modification on MASTEEL Wire Plant.

介绍了马钢高线油气润滑系统的工作原理及其改进方案.

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The analysis of every control's principle, method and implementation are presented in this paper. "

在本论文中,分析了各个部分的控制原理 、 方法和实现.

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